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This issue was reported manually by thurka. It already has 1 duplicates Build: NetBeans IDE Dev (Build nbms-and-javadoc-11138-on-20130617) VM: Java HotSpot(TM) Client VM, 23.25-b01, Java(TM) SE Runtime Environment, 1.7.0_25-b17 OS: Windows 7 User Comments: GUEST: I'm not sure Stacktrace: java.lang.OutOfMemoryError: Java heap space at sun.management.ThreadImpl.dumpThreads0(ThreadImpl.java:0) at sun.management.ThreadImpl.dumpAllThreads(ThreadImpl.java:0) at org.netbeans.modules.sampler.Sampler$1.run(Sampler.java:191) at java.util.TimerThread.mainLoop(TimerThread.java:0) at java.util.TimerThread.run(TimerThread.java:0)
Created attachment 139662 [details] stacktrace
There are 18 millions of org.netbeans.modules.editor.lib2.document.MarkVector$MarkUpdate instances, which is 87.5% of all instances on the heap.
This old bug may not be relevant anymore. If you can still reproduce it in 8.2 development builds please reopen this issue. Thanks for your cooperation, NetBeans IDE 8.2 Release Boss